Arcanamirium transmuter Maren Fuln found a magically sealed amulet in the school's library and kept it as a shiny bauble. Little did he know the amulet contained an entity far worse than he imagined, and by unsealing it, he loosed a revenge-obsessed horror into the sewers beneath the school. Can the Pathfinder Society halt the beast’s plan in time, or will he build his army of revenge and sow chaos in Absalom?

In the city of Waterdeep rests a tavern called the Yawning Portal, named after the gaping pit in its common room. At the bottom of this crumbling shaft is a labyrinthine dungeon shunned by all but the most daring adventurers. Known as Undermountain, this dungeon is the domain of the mad wizard Halaster Blackcloak. Long has the Mad Mage dwelt in these forlorn depths, seeding his lair with monsters, traps, and mysteries—to what end is a constant source of speculation and concern. This adventure picks up where Waterdeep: Dragon Heist leaves off, taking characters of 5th level or higher all the way to 20th level should they explore the entirety of Halaster’s home. Twenty-three levels of Undermountain are detailed herein, along with the subterranean refuge of Skullport. Treasures and secrets abound, but tread with care!

Giants have been raiding the lands of men in large bands, with giants of different sorts in these marauding groups. Death and destruction have been laid heavily upon every place these monsters have visited. This has caused great anger in high places, for life and property loss means failure of the vows of noble rulers to protect the life and goods of each and every subject -- and possible lean times for the rulers as well as the ruled. Therefore, a party of the bravest and most powerful adventurers has been assembled and given the charge to punish the miscreant giants. This module contains background information, referee's notes, two level maps, and exploration matrix keys. It provides a complete module for play of ADVANCED DUNGEONS & DRAGONS, and it can be used alone or as the first of a three-part expedition adventure which also employs DUNGEON MODULE G2 (GLACIAL RIFT OF THE FROST GIANT JARL) and DUNGEON MODULE G3 (HALL OF THE FIRE GIANT KING). TSR 9016

a baron recruits the party to find a set of magical swords as well as explore a mine shaft that connects to the under dark

A Ravaged Land... Villains that really are larger than life... A time for heroes... A decade ago, the land of Geoff was overrun by a horde of giants, ogres, and evil humanoids, its people either slain, enslaved, or driven into exile. Now at last the tide has turned. The time to free the people of Geoff from their servitude to the giantish tyrants has come! But don't forget to watch your step when you confront the true masters behind the giant Clans! Contains the full text of three classic adventures by Gary Gygax: G1, Steading of the Hill Giant Chief; G2, The Glacial Rift of the Frost Giant Jarl; and G3, Hall of the Fire GIant King. Details Eighteen new encounter sites in the war-torn land of Geoff, linked together to form a grand campaign. Provides dozens of hours of gameplay as the heroes struggle to free an entire country from the grasp of giant overlords. TSR 11413

Stupid dwarves. You visit their delve, and they announce that they are all off to belt the living daylights out of some troublesome goblins. And can you go along? No chance, it's some sort of 'crusade' and they don't want outsiders along. So, all they are prepared to offer you is the honour of defending all the old dwarves and the kiddies and the others who haven't gone off on the goblin-bash. So, it looks like you'll just have to sit around and drink all the beer and be bored until they - Wait - what's this? A raid on a neighbouring delve; that's a stroke of luck. Now you can chase the raiders, beat them up, and then the dwarves will be grateful and you can drink some more of their beer. What could be simpler?

It's all over (and literally so) after midnight. A mission with an unforgiving deadline. The characters must remove the magically-infused remains of a dead wizard and his medallion from a crypt. Pgs. 10-23

This material was originally published as three separate adventures: G1 (STEADING OF THE HILL GIANT CHIEF), G2 (THE GLACIAL RIFT OF THE FROST GIANT JARL), and G3 (HALL OF THE FIRE GIANT KING). Contained herein are referee notes, background information, maps, and exploration keys for three complete adventures using the ADVANCED DUNGEONS & DRAGONS rules. This module can be used alone or as the first in a series of adventures that includes Dungeon Modules D1-2 (DESCENT INTO THE DEPTHS OF THE EARTH), D3 (VAULT OF THE DROW), and Q1 (QUEEN OF THE DEMONWEB PITS). TSR 9058

“The Lost Mines of Karak” is the sequel to “The Shadow Rift of Umbraforge” and the fourth part of the Scales of War adventure path. After the player characters' success in "Siege of Bordrin's Watch" and "The Shadow Rift of Umbraforge", they have garnered something of a reputation in the city of Overlook. They are introduced to a wealthy patron that believes there is a connection between a shadar-kai arms dealer (from the previous two adventures) and a long lost dwarven mine. The patron wishes the PCs to find and secure the mine in order to use its wealth and resources to defend the city. The party then must travel through a wasteland and desert to find this mine. Once they have, they must fight through the hordes of monstrous creatures that inhabit it and defeat the Queen of the Drylands - a powerful naga. Pgs. 56-93

The final confrontation with the giant, King Snurre, and the entry of mighty adventurers into the caverns under his stronghold (DUNGEON MODULE G3, HALL OF THE FIRE GIANT KING) discovered the Dark Elves, the Drow, had instigated the giant alliance and its warfare upon mankind and its allied races. This module contains background information, a large-scale referee's map with a matching partial map for players, referee's notes, special exploration and encounter pieces, a large map detailing a cavern area, encounter and map matrix keys, and an additional section pertaining to a unique new creature for use with this module and the game as a whole. A complete setting for play of ADVANCED DUNGEONS & DRAGONS is contained herein. This module can be played alone, as the first part of a series of three modules (with SHRINE OF THE KUO-TOA, D2, and VAULT OF THE DROW, D3), or as the fourth part of a continuing series of modules which form a special progressive campaign scenario (DUNGEON MODULES G1, G2, G3, D1, D2, D3, and Q1, (QUEEN OF THE DEMONWEB PITS). TSR 9019

For the past several days, dozens of strong earthquakes have rocked the coastal area surrounding the underground Temple of Poseidon. Since the first quake, there have been a growing number of reports of strange events and macabre occurrences throughout the area. Several families near the temple have abandoned their farms and refused to return. They claim to have been terrorized by inhuman specters who prowled about their farms late at night. One of the farmers says he found a farm animal crucified and eviscerated in a ritualistic fashion on his front porch. Following the first tremors, all communications with the Temple of Poseidon, seemingly the center of the troubled area, were cut off. Messengers dispatched to the temple to request guidance from the Holy Oracle located there have not returned. Now the darkness has spread to this town. Unnatural births have occurred. Strange cries can be heard in the night, and there is a cowl around the moon. Magical divining has proven useless in naming the dark forces that invade. Many of the townspeople have already abandoned their homes and those who remain have but one recourse left: They have sent out a cry for hardened adventurers, experienced in dispatching evil. They must travel to the temple to discover the fate of the men there, and, if possible, elicit their help in destroying the growing heinous power. Pgs. 31-46

Buried in fire, but hardly dead. Only the Keep survived the destruction of Koralgesh, but few adventurers will survive the terrors that now stalk the lost Keep's halls. Players hear rumours of the Keep at Koralgesh and then traverse it to acquire the treasure within. Pgs. 45-64

His name has inspired fear in legions of heroes, and his cult has lurked in the dismal reaches of the world for countless ages. His minions are savage and feral, his worshipers vile and wretched. He is Demogorgon, and his temples are nightmare realms haunted by primeval menaces and hateful legacies from a time when the world was savage. And now, a vengeful death knight has discovered one of these lost temples—will the PCs aid him in his dark quest for revenge, or will they fall before the awakened host of the Prince of Demons? Pgs. 64-83

Centuries ago, a beholder named Yeryl fled from the place of his birth and wandered the countryside in search for a place to call home. After many sleepless nights spent carving out a safe nook for himself in the wilderness, he at last slipped into slumber. In his dreams, he found an ideal place for his lair: long-abandoned ruins hidden amidst a dull and barren valley. Yeryl spent years transforming the place to suit his paranoid designs. Visitors were rare enough, and the few that made it to Yeryl’s lair were quickly destroyed or forced into the beholder’s service, building the lair ever deeper and more magnificent. As time went on, Yeryl finally completed his task. Safe at last, but with nothing to occupy his mind, Yeryl was struck by melancholy; was this lonely and empty life truly what he had chosen for himself? On that day, Yeryl made a decision: next time an adventurer came to his lair, he would welcome them in. With this resolution in mind, Yeryl began to dismantle his traps and replace them with ones he considered to be more fun. Unfortunately, for all his good intents, Yeryl has not yet realised that killing people is a bad way of getting them to like him. Yeryl's Super Happy Fun Murder Dungeon is a highly obnoxious and mildly ridiculous collection of traps, combat and puzzles designed to test your players' wits and patience. It is optimised for a group of four to five 3rd level players, but the text also contains a guide for level adjustments for different sized groups.

Deep in the forest, an ancient pyramid was constructed many millennia ago for an unknown purpose as part of a forgotten modron war. Within it is a labyrinth of strange traps, taxing puzzles, and some unwelcome troglodytes. This adventure for 1st-3rd level characters can be played as the first part of the Legacy of Zandrax campaign or as a standalone one-shot.

When Fort Iron was taken from the duergar who inhabited it, much of their subterranean quarters were never fully explored. An ancient oubliette has been discovered and its contents have disturbed the miners. Can the mine and the miners be saved from the dangers of the Oubliette of Fort Iron?

Five exciting short adventures to make your Basic campaign come alive! The Clearing of Castle Caldwell - A local merchant has recently purchased a small castle... but when he tried to move in, he discovered that the castle was already inhabited! Dungeons of Terror - A strange trapdoor in the floor of Castle Caldwell leads to a terrifying challenge! The Abduction of Princess Sylvia - On the eve of her wedding, the beautiful princess has been kidnapped! Can you save her in time? The Great Escape - Imprisoned in an enemy fortress, without armor or weapons, your situation seems hopeless. Yet there may be a way to freedom... The Sanctuary of Elwyn the Ardent - A mystical chime of great power has been stolen - but by whom? In the wrong hands, the chime can cause untold harm! But can you find and defeat this mysterious and powerful creature? TSR 9143

"Terror by night! The village of Orlane is dying. Once a small and thriving community, Orlane has become a maze of locked doors and frightened faces. Strangers are shunned, trade has withered. Rumors flourish, growing wilder with each retelling. Terrified peasants flee their homes, abandoning their farms with no explanation. Others simply disappear. . . No one seems to know the cause of the decay -- why are there no clues? Who skulks through the twisted shadows of the night? Who or what is behind the doom that has overtaken the village? It will take a brave and skillful band of adventurers to solve the dark riddle of Orlane!" TSR 9063

The King is dead! And the queen is in trouble. She has chosen you to find the fabled heartstone, which is buried somewhere deep in the Mountains of Ice. Is the gem I the hands of the corrupt Master Thief? Has he harnessed its powers for his own vile purposes? Or does it lie unguarded in the frozen ranges to the north, which teem with horrible creatures? This is your kind of quest! Quest for the Heartstone is a combined wilderness/dungeon adventure designed to be compatible with the Advanced Dungeons & Dragons Action Toys from LJN Toys, Ltd. and the Advanced Dungeons & Dragons Fantasy Adventure Figures from TSR, Inc. The adventure also includes complete maps, new monsters and players' illustrations. Will the heartstone be the key to peace in the kingdom? By her majesty's request... it's up to you to find out! TSR 9114

A shrewd, spell-using green dragon has taken over the deepest chamber of a limestone cave as his lair. The dragon has persuaded a tribe of troglodytes to live in the outer chambers as a sort of "protective buffer" in return for gifts of magical treasure. The troglodytes cherish the useless bits of magic without realizing their modest worth. The outer chambers of the cave are protected by the troglodytes, the beetles and centipedes the troglodytes raise as cattle, and wild creatures. The green dragon uses traps, illusions and magical devices to protect his inner chamber. Wyrmhaven is the second dragon's lair to conquer. Part of TSR 1073 The Dragon's Den